:root{color-scheme:dark;font-family:system-ui,"Microsoft YaHei",sans-serif;color:#edf7f5;font-size:14px;background:#102c35}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #a0f7d5;outline-offset:4px}#world,canvas,.vignette{position:absolute;inset:0;width:100%;height:100%}.vignette{pointer-events:none;background:linear-gradient(90deg,rgba(4,20,25,.35),transparent 40%),linear-gradient(0deg,rgba(5,19,26,.7),transparent 26%)}header{position:absolute;inset:0 0 auto;height:94px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;background:linear-gradient(#071e2966,transparent)}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-size:23px;letter-spacing:5px;font-weight:800}.mark{color:#b1fbdc;font-size:42px;line-height:1;letter-spacing:0}.brand-sub{font-size:13px;letter-spacing:2px;font-weight:400;border-left:1px solid #ffffff40;padding-left:18px;margin-left:6px}.top-right{display:flex;align-items:center;gap:12px}.top-right>span{font-size:12px;letter-spacing:1px;margin-right:16px}.top-right button{width:34px;height:34px;border:1px solid #ffffff50;border-radius:50%;font-size:20px;background:#092b3430}.panel{position:absolute;left:32px;top:110px;width:276px;padding:24px;background:#0a232ce8;border:1px solid #d2f3ee26;border-radius:12px;backdrop-filter:blur(22px);box-shadow:0 16px 55px #00182125}.eyebrow{font-size:10px;letter-spacing:1.5px;color:#91b4ba}h1{font-size:32px;font-weight:500;letter-spacing:2px;margin:15px 0 7px}.intro{font-size:13px;color:#afc6cb;margin:0 0 24px}.section-label{font-size:12px;color:#94b1b9;margin:18px 0 10px;letter-spacing:1px}.scene-tabs{display:flex;background:#071b23;border-radius:6px;padding:4px;gap:4px}.scene-tabs button{width:50%;text-align:left;padding:9px 12px;border-radius:4px}.scene-tabs span{float:right;font-size:10px;opacity:.5}.scene-tabs .active{background:#29464e}.vehicles{display:flex;gap:6px}.vehicles button{flex:1;border:1px solid #9bd6d325;padding:10px 0;border-radius:6px;font-size:12px}.vehicles button>span{display:block;font-size:24px;margin-bottom:4px}.vehicles .active{color:#a9f9d8;border-color:#9ce3c680;background:#2b67502d}.vehicles button:disabled{opacity:.3;cursor:not-allowed}.divider{height:1px;background:#a8d8d324;margin-top:21px}.between{display:flex;justify-content:space-between}#level-count{font-size:11px;color:#b4e9d6}#stages{display:grid;gap:3px}#stages button{padding:9px 10px;text-align:left;font-size:13px;border-radius:4px;color:#a9bec4}#stages i{font-style:normal;font-size:11px;color:#78969e;margin-right:13px}#stages .active{background:#b5f8dd;color:#163b36}#stages .active i{color:#346758}#stages b{float:right;font-size:9px;letter-spacing:1px;margin-top:3px;font-weight:500}#stage-note{font-size:11px;line-height:1.7;color:#95b0b8;min-height:38px;margin:13px 0 16px}.slider-label{font-size:12px;display:flex;justify-content:space-between;margin:13px 0 5px}.slider-label output{color:#8fb4b9;font-size:11px}input[type=range]{width:100%;height:3px;accent-color:#b5f8dd;cursor:pointer}.panel-bottom{display:flex;justify-content:space-between;margin-top:21px;color:#a2bdc2;font-size:11px}.panel-bottom button{font-size:11px}.location{position:absolute;left:350px;top:127px;display:flex;align-items:center;gap:13px;text-shadow:0 2px 8px #142f37}.location-line{width:2px;height:42px;background:#b7f5dd}.location span{font-size:11px;letter-spacing:3px}.location h2{font-weight:500;font-size:21px;letter-spacing:3px;margin:5px 0}.readings{position:absolute;right:38px;bottom:107px;display:flex;gap:36px}.readings small{display:block;color:#ccdddf;font-size:11px;margin-bottom:10px}.readings strong{font-size:23px;font-weight:500}.readings em{font-size:12px;font-style:normal;color:#abc9cc}footer{position:absolute;bottom:0;left:0;right:0;padding:24px 38px;display:flex;justify-content:space-between;border-top:1px solid #ffffff20;align-items:center}.keys{display:flex;gap:23px;font-size:11px;color:#c0d4d9}kbd{font-family:inherit;font-size:10px;border:1px solid #bdd7d35e;border-radius:4px;padding:4px 6px;margin-right:6px;color:#f0f9f5}.foot-note{font-size:10px;letter-spacing:2px;color:#bbd1d6}#loading{position:absolute;inset:0;background:#09242b;display:grid;place-items:center;font-size:20px;letter-spacing:6px;z-index:20}#toast{position:absolute;left:50%;bottom:130px;transform:translateX(-50%);padding:12px 20px;border-radius:30px;background:#0a273ae8;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none}dialog{max-width:480px;padding:30px;background:#102f39;color:#e9f9f4;border:1px solid #6ea999;border-radius:12px;line-height:1.9}dialog::backdrop{background:#05181bb0}dialog h2{font-weight:500}dialog p{font-size:14px}dialog .muted{font-size:12px;color:#97b7bf}dialog button{background:#b5f8dd;color:#143b32;padding:10px 20px;border-radius:5px;margin-top:10px}#touch,#panel-toggle{display:none}@media(max-height:850px) and (min-width:761px){.panel{top:92px;padding:18px;width:255px}.intro{margin-bottom:15px}.section-label{margin-top:13px}#stages button{padding:7px 10px}.divider{margin-top:15px}#stage-note{margin:9px 0;min-height:32px}.panel-bottom{margin-top:15px}header{height:80px}.location{left:322px}}@media(max-width:760px){header{height:75px;padding:0 20px}.brand{font-size:20px}.brand-sub,.top-right>span,.foot-note{display:none}.panel{display:none;top:85px;left:16px;width:255px;max-height:calc(100dvh - 160px);overflow:auto;z-index:5}.panel.open{display:block}.location{left:24px;top:105px}.location h2{font-size:18px}.readings{bottom:170px;right:20px;gap:22px}.readings strong{font-size:18px}.readings small{font-size:10px}footer{padding:18px;bottom:0}.keys{gap:12px;font-size:10px;flex-wrap:wrap}.keys>span:nth-child(2),.keys>span:nth-child(3){display:none}#panel-toggle{display:block;position:absolute;top:82px;right:20px;background:#102f39bd;padding:10px;border-radius:6px;font-size:12px}#touch{display:block;position:absolute;bottom:75px;left:22px;text-align:center}#touch button{background:#183d47a0;border:1px solid #abd8cd50;border-radius:8px;width:42px;height:36px;margin:2px;touch-action:none}#touch>button:not([data-key=w]){font-size:10px;width:65px}#toast{bottom:235px;width:max-content;max-width:90vw}canvas{touch-action:none}}
.panel{max-height:calc(100dvh - 195px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#48716f transparent}@media(max-height:780px) and (min-width:761px){.panel{top:85px;max-height:calc(100dvh - 164px);padding:16px 18px}.eyebrow{font-size:9px}h1{font-size:26px;margin:10px 0 5px}.intro{font-size:12px;margin-bottom:12px}.section-label{margin:10px 0 7px}.vehicles button{padding:6px 0}.vehicles button>span{font-size:20px}.divider{margin-top:12px}#stages button{padding:6px 10px}#stage-note{font-size:10px;line-height:1.5;margin:8px 0}.slider-label{margin:9px 0 4px}.panel-bottom{margin-top:13px}}


.panel.collapsed{display:none}#panel-toggle{display:block;position:absolute;top:90px;right:32px;background:#0a232cd9;border:1px solid #c7ebdf40;border-radius:6px;padding:9px 13px;font-size:12px}@media(min-width:761px) and (max-width:1100px){.panel{width:236px;padding:18px;left:22px}.location{left:283px}.brand-sub{display:none}}

.vehicles{display:grid;grid-template-columns:1fr 1fr}.vehicles button{font-size:12px}.vehicles button>span{font-size:22px}#lab-controls{margin-top:12px;padding:12px;border:1px solid #9bd6d32e;border-radius:6px;background:#071b2388}#lab-controls[hidden]{display:none}#lab-controls p{font-size:12px;color:#b9d4d2;line-height:1.8;margin:0 0 8px}#drop-object{background:#b5f8dd;color:#143b32;border-radius:4px;padding:9px;width:100%}#lab-status{font-size:11px;color:#98c4b8;margin-top:9px}#touch.lab-hidden{display:none!important}

.scene-tabs button{width:auto;flex:1;padding:9px 7px;font-size:13px}.scene-tabs span{float:none;display:block;margin-top:4px}

body[data-observing=true] #boat-view{display:none}@media(max-width:760px){#boat-view{position:fixed;left:22px;bottom:210px}}